She’s paid respect to Cyrus in interviews, but told Complex magazine that she’s “not comfortable being sexy and dressing sexy – I don’t see myself ever becoming a sex symbol.”She’s worked with a Swedish super-producerGrande’s music career has been given a massive boost by her collaboration with Max Martin.The Swedish producer and songwriter is responsible for huge worldwide hits including Katy Perry’s I Kissed a Girl and Teenage Dream, Taylor Swift’s We Are Never Ever Ever Getting Back Together and I Knew You Were Trouble, Britney’s breakthrough single …Baby One More Time and Backstreet Boys’ I Want It That Way. Although Victorious left critics unimpressed, the show was one of Nickelodeon’s most popular, winning ratings of nearly six million when it first aired.It ended its run in 2013 but the young viewers wanted more, and Grande continued to play Valentine in a spin-off, Sam & Cat, another farcical sitcom in which two teenage girls become improbable roommates and run a babysitting business.Grande’s appeal among the under-13s and musical background led to an early, unsuccessful attempt at a singing career in 2011, with the release of pop single Put Your Hearts Up, which Grande has since poked fun at. Grande in the music video for Put Your Hearts Up On Monday night, 22 people were killed and at least 59 injured in a terrorist attack on Manchester.Police say a suicide bomber caused an explosion outside the city’s Manchester Arena, as thousands of people poured out of the venue after a concert by American pop singer Ariana Grande.Who is Ariana Grande?Twenty-three-year-old Grande has been in showbusiness since her teens. Raised in Florida, she first appeared on Broadway in 2008.Two years later, when she was 17, she was cast as the ditsy Cat Valentine in Nickelodeon’s Emmy-nominated Victorious, which followed the hallway antics of Hollywood stage school students. Her brother inspired her showbiz careerHer older brother Frankie, 34, is an actor who has performed in ABBA musical Mamma Mia! on Broadway, and recently took part in the US version of Big Brother. More recently, her third album Dangerous Woman reached number one in the UK chart last year. Although now better known as a singer than an actress, Grande made a return to television in 2015, with a supporting role in Fox’s horror comedy Scream Queens. She is a veganGrande is a strict vegan, and mostly subscribes to a raw food diet. “I vacillate between being raw and not-raw vegan,” she told the Telegraph in 2014. “Do I feel healthier? It’s the way to go, I have to say.” Nearly 40 of Martin’s songs have sold more than a million copies.Martin is responsible for the catchy horn riffs on Problem, which harks back to Nineties’ RnB – aside from Azalea’s reference to Jay-Z’s 99 Problems – with a big, octave-spanning verse and a whispered chorus.In support of all this Grande is a genuine vocal talent: her sugary-sweet voice spans four octaves and has been compared to Mariah Carey.It’s a voice that her producer, Kenneth Edmonds, who has worked with TLC and Beyoncé, describes as “one of those feel-good voices we haven’t heard in a long time”. “I adored and worshipped my brother, Frankie, as a little girl – everything he did was cool,” she told the Telegraph.”He’s 10 years older than me – he would kill me for saying that! But once Frankie got into acting in musical theatre and dancing, I was like, ‘OK, I guess that’s the cool thing now, so let’s investigate and watch old musicals.’ “My friends and I were huge musical-theatre geeks and we would go back and forth to New York whenever we had free weekends.”What’s her appeal?Many TV stars in the US have had successful pop careers, including Britney Spears, Christina Aguilera and Selena Gomez; Grande has followed in their footsteps.Not only does she have an enormous fanbase from her Nickelodeon days, but, like One Direction, her young fans know how to marshall social media to share their appreciation.Grande has nearly 50 million followers across Facebook, Twitter and Instagram. Even her dogs (Ophelia, Toulouse and Coco) have their own Instagram account, with more than 90,000 followers. Grande as Cat Valentine in Victorious Show more Her online following shows the gap in the market for a fresh-faced popstar like Grande. The teen singers who proceeded her, such as Spears, Aguilera and Miley Cyrus, have grown up to try and connect with older audiences. Grande, meanwhile, maintained a relatively innocent image after making the transition into pop. Frankie Grande in 2016 She went on to sing on the third soundtrack for Victorious with her co-star Victoria Justice, and in 2012 performed a duet with Mika on his single Popular Song.But it wasn’t until 2013 that Grande’s pop career really took off in earnest. Bouncy nu-soul duet, The Way, which Grande recorded with American rapper Mac Miller, trumped both Justin Timberlake and One Direction’s sales figures in March, before her debut album Truly Yours reached the top 10 in nine countries, and number one in America.Problem, her 2014 breakthrough single, went to number one in the UK and number two in the US, making Grande a familiar name on both sides of the Atlantic. Music producer Max Martin at the Grammy awards The track was accompanied by a video in which she strolled around a chintzy vintage American town in a prom dress. It was an image which Grande told Rolling Stone was “straight out of hell”. Want the best of The Telegraph direct to your email and WhatsApp? Sign up to our free twice-daily Front Page newsletter and new audio briefings.